Tread of a tire



FIG. 1 is a perspective view of a tread of a tire, it being understood that the pattern is repeated uniformly throughout the circumference of the tread; and,

FIG. 2 is an elevational view of the tire tread design shown in FIG. 1.

The broken line showing of a tire sidewall and inner bead is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a tread of a tire, as shown and described. 